How Many People Are Named Joslyn?
An estimated 10,763 people in the United States have the first name Joslyn. It is almost exclusively a female name. The average bearer is 24 years old, and Joslyn peaked in popularity in 2010 with 461 births that year.
Below you will find a full statistical profile of Joslyn as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Joslyn paired with any surname.
Estimated Living Americans
10,763
About 1 in 31,846 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.7% confidence
Average Age
24
years old
Peak Year
2010
461 births
Total Registered
11,189
since 1880
Gender Distribution for Joslyn
Joslyn is almost exclusively a female name. Out of 11,189 total births registered, 99.7% were female.
Joslyn as a male name
Ranked #7,531 in 1996
7 male births in 1996
Peak: 1996 (7 births)
Joslyn as a female name
Ranked #2,252 in 2024
83 female births in 2024
Peak: 2010 (461 births)
Joslyn: Popularity Over Time
SSA records for Joslyn span from the 1930s to the 2020s, covering 10 decades of naming data. The most popular decade for this name was the 2010s, when 3,379 babies were registered. Joslyn has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Joslyn by Decade
How has Joslyn tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Joslyn by State
Birth registrations for Joslyn span all 42 states and territories in the SSA database. The highest counts are in Texas, California, Michigan. The lowest are in Maine, Connecticut, Nevada. On average, about 187 Joslyns were registered per state.
Joslyn + Last Name Combinations
How many people share a full name with Joslyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Joslyn
Other first names starting with J with a similar number of bearers.
Joslyn: Questions and Answers
How many people in the U.S. are named Joslyn?
We estimate approximately 10,763 people named Joslyn are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 31,846 Americans share this first name.
Is Joslyn a common name?
Joslyn is classified as "Uncommon" and is more popular than 97.8% of all first names in the SSA database. A total of 11,189 births have been registered with this name since 1880.
When was Joslyn most popular?
Joslyn reached peak popularity in 2010, when 461 babies were given this name. The average age of a living person named Joslyn is approximately 24 years old, reflecting when the name was most commonly given.
Is Joslyn a female name?
Joslyn is predominantly female. 99.7% of people with this name are female. See the gender breakdown above for full details.
How many Joslyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Joslyn Smith, Joslyn Johnson, Joslyn Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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